In almost 25 years powering General Motors trucks and SUVs, the 6.6-liter Duramax V8 diesel engine has earned a loyal ...
The U.S. Environmental Protection Agency is proposing regulatory amendments to certain compliance provisions and test procedures related to model year (MY) 2027 and later heavy-duty highway engines.
Your car's dashboard is full of warning lights that may not be familiar. But they keep you updated on several vital fluids ...
The U.S. EPA has proposed changes to federal diesel emissions regulations that would eliminate vehicle deratements caused by Diesel Exhaust Fluid system failures. T.J. Wilson, deputy director of rural ...
The Environmental Protection Agency (EPA) on Thursday published a proposal to revise regulations for commercial truck nitrogen oxides (NOx) emissions for the 2027 model year, dropping a requirement ...
Cummins is offering revised calibrations for more than 1.5 million engines in medium- and heavy-duty trucks. PACCAR is updating MX-11 and MX-13 engine software for eligible Peterbilt and Kenworth ...
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